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US 4,926,961 AGranted
Hinged acoustical voice tube
AssigneeACS Communications, Inc.
InventorsPhillip Gattey, Shu-Ren Chen
Life of this patent
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Abstract
An acoustical voice tube, comprising an acoustical hollow upper piece and an acoustical hollow lower piece in hinged connection permits voice or sound tube positioning over a large area without changing the sound characteristics.
Claims9
An acoustical voice tube for use with communications equipment, comprising:
- a hollow, acoustical upper piece having an upper end for detachable coupling with the communications equipment and a lower end with at least one convex protrusion;
- a hollow, acoustical lower piece having a lower end adapted for receiving sound and an upper end having at least one bore aligned for air-tight coupling with said convex protrusion of said lower end of said upper piece and thereby creating a hinged connection between said upper piece and said lower piece.
Dependencies are inferred from the claim text.